Just the Details...65-66 Mustang Rear License Plate Light Date Stamping

Note the "4F" date stamping on this Mustang rear tag light assembly.  This is from our 64 1/2 HiPo Mustang Coupe with a scheduled build date of June 8, 1964.  The original license plate light on this car is dated June of 1964.
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Here is another one of my "geeky" details for 1965 and 1966 Mustangs.  Even the rear license plate light assemblies on these Mustangs are date stamped.  I will note that I have observed many NOS Ford service part rear license plate light assemblies that did not have a date stamping.

Our example here is dated "4F" for June of 1964.